The General Altimax Arctic combines unique grooves & sipes with a modern compound to assure high performance at low temperatures. The multi-angle sipe system provides 270-degrees of biting sipes that improve traction & a directional tread pattern & center stability rib promote enhanced water evacuation to reduce hydroplaning & provide straight-line stability. Alternating rows of metal studs can be added in the shoulder and intermediate tread blocks to increase traction on hard packed snow & icy roads.